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Originally Posted by m3chhawk Can you (or Sasha) expand on the issue/solution?? The stock wiring for the fuel pump uses thin wires. Apparently when you install these upgraded fuel pumps,

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Old 12-21-2013, 07:04 AM   #1 (permalink)
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Can you (or Sasha) expand on the issue/solution??
The stock wiring for the fuel pump uses thin wires. Apparently when you install these upgraded fuel pumps, they have trouble getting the voltage they need through that wiring. The solution is to run some thick gauge wiring straight from the battery through a relay and to the fuel pump basket. Some cars get lucky and get by with the stock wiring.
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Old 12-21-2013, 08:22 AM   #2 (permalink)
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The stock wiring for the fuel pump uses thin wires. Apparently when you install these upgraded fuel pumps, they have trouble getting the voltage they need through that wiring. The solution is to run some thick gauge wiring straight from the battery through a relay and to the fuel pump basket. Some cars get lucky and get by with the stock wiring.
did this only cause issues above 500whp?
did you get a quote for the fuel pump relay parts n labor? are you going thru Motion Lab?
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Old 12-21-2013, 08:53 AM   #3 (permalink)
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did this only cause issues above 500whp?
did you get a quote for the fuel pump relay parts n labor? are you going thru Motion Lab?
Yeah seems like it only started becoming an issue towards the end of tuning when they were making more power.

I'm going to get a quote from them this morning when they open up but it looks like a pretty easy DIY. I actually already picked up the parts for about $30. I'm not sure the shop will be able to fit me in so I'll be ready to do it myself if needed.
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